178.346-4—Outlets.
(a)
All outlets on each tank must conform to § 178.345-11 and this section.
(b)
External self-closing stop-valves are not authorized as an alternative to internal self-closing stop-valves on loading/unloading outlets.
[Amdt. 178-89, 54 FR 25029, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR 18934, Apr. 29, 1996]